[go: up one dir, main page]

EP2853338A1 - Procédé de fabrication d'un trou - Google Patents

Procédé de fabrication d'un trou Download PDF

Info

Publication number
EP2853338A1
EP2853338A1 EP14003868.8A EP14003868A EP2853338A1 EP 2853338 A1 EP2853338 A1 EP 2853338A1 EP 14003868 A EP14003868 A EP 14003868A EP 2853338 A1 EP2853338 A1 EP 2853338A1
Authority
EP
European Patent Office
Prior art keywords
hole
pulse lengths
longer
laser
shorter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14003868.8A
Other languages
German (de)
English (en)
Other versions
EP2853338B1 (fr
Inventor
Thomas Beck
Silke Settegast
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Chromalloy Gas Turbine Corp
Original Assignee
Siemens AG
Siemens Corp
Chromalloy Gas Turbine Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp, Chromalloy Gas Turbine Corp filed Critical Siemens AG
Priority to EP14003868.8A priority Critical patent/EP2853338B1/fr
Publication of EP2853338A1 publication Critical patent/EP2853338A1/fr
Application granted granted Critical
Publication of EP2853338B1 publication Critical patent/EP2853338B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
    • B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/0665—Shaping the laser beam, e.g. by masks or multi-focusing by beam condensation on the workpiece, e.g. for focusing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets

Definitions

  • the invention relates to a method for producing a hole according to claim 1, wherein a hole is produced by means of pulsed energy beams in a component.
  • Such turbine components often also include layers, such as e.g. a metallic layer or intermediate layer and / or a ceramic outer layer.
  • the film cooling holes must then be created through the layers and the substrate (casting).
  • the U.S. Patent 6,172,331 as well as the U.S. Patent 6,054,673 disclose a laser drilling method to insert holes in layer systems using ultrashort laser pulse lengths. It is selected from a specific laser pulse length range, a single laser pulse length and thus generates the entire hole.
  • the DE 100 63 309 A1 discloses a method of making a cooling air opening by means of a laser, in which the laser parameters are adjusted so that material is removed by sublimation.
  • the U.S. Patent 5,939,010 discloses two alternative methods for creating a plurality of holes.
  • a hole is first completely created before the next hole is made.
  • the holes are generated stepwise by first producing a first portion of a first hole, then a first portion of a second hole, and so on ( Fig. 10 the US-PS).
  • Different pulse lengths can be used in the two methods, but always the same pulse lengths within one of these two methods.
  • the two methods can not be linked.
  • the cross-sectional area of the area to be removed always corresponds to the cross-section of the hole to be produced.
  • the U.S. Patent 5,073,687 discloses the use of a laser to make a hole in a device formed from a substrate with a copper layer on both sides.
  • a hole is first generated by a copper film by means of a longer pulse duration and then by means of shorter pulses a hole in the substrate, consisting of a resin, wherein subsequently a hole through a copper layer on the back with higher output power of the laser is generated.
  • the cross-sectional area of the removed area corresponds to the cross-section of the hole to be produced.
  • the U.S. Patent 6,479,788 B1 discloses a method of making a hole in which longer pulse lengths are used in a first step than in a further step.
  • the pulse duration is varied here in order to produce the best possible rectangular shape in the hole.
  • the cross-sectional area of the beam is increased with decreasing pulse length.
  • the object is achieved by a method according to claim 1, in which different pulse lengths and for longer pulse lengths pulse lengths of> 0.4 ms are used. It is particularly advantageous if shorter pulses are used only in one of the first removal steps to produce optimal properties in an outer upper region of the separation surface, since these are crucial for the outflow behavior of a medium from the hole and for the flow around a medium around this hole. Inside the hole, the properties of the interface are rather uncritical, so that longer pulses can be used there, which can cause inhomogeneous interfaces.
  • FIG. 1 shows a component 1 with a hole. 7
  • the component 1 consists of a substrate 4 (for example a casting or DS or SX component).
  • the substrate 4 may be metallic and / or ceramic.
  • turbine components such as turbine run 120 or guide vanes 130 (FIG. Fig. 16 . 17 ), Heat shield elements 155 ( Fig. 18 ) and other housing parts of a steam or gas turbine 100 ( FIG. 16 ), but also an aircraft turbine, the substrate 4 consists of a nickel-, cobalt- or iron-based superalloy.
  • the substrate 4 is made of, for example, titanium or a titanium-based alloy.
  • the substrate 4 has a hole 7, which is preferably a through hole.
  • the hole 7 consists of a lower portion 10, which starts from an inner side of the component 1 and which is preferably formed symmetrically (for example, circular, oval or rectangular), and an upper portion 13, optionally as a diffuser 13 on an outer surface 14 of the substrate 4 is formed.
  • the diffuser 13 represents a widening of the cross section with respect to the lower region 10 of the hole 7.
  • the hole 7 is, for example, a film cooling hole.
  • the inner surface 12 of the diffuser 13, ie in the upper region of the hole 7, should be smooth, because unevenness undesirable turbulence, deflections generate to allow an optimal outflow of a medium, in particular a cooling medium from the hole 7.
  • On the quality of the hole surface in the lower portion 10 of the hole 7 significantly lower requirements are made, since the flow behavior is thereby affected only slightly.
  • FIG. 2 shows a component 1, which is designed as a layer system.
  • At least one layer 16 is present on the substrate 4.
  • This may be, for example, a metallic alloy of the type MCrAlX, where M stands for at least one element of the group iron, cobalt or nickel.
  • X stands for yttrium and / or at least one element of the rare earths.
  • the layer 16 may also be ceramic.
  • the component 1 is a layer system in which on the MCrAlX layer 16 'still another layer 16 "is present, for example, a ceramic layer as a thermal barrier coating.
  • the heat-insulating layer 16 " is, for example, a completely or partially stabilized zirconium oxide layer, in particular an EB-PVD layer or plasma-sprayed (APS, LPPS, VPS), HVOF or CGS (cold gas spraying) layer.
  • FIG. 3 shows a plan view of a hole. 7
  • the lower region 10 could be made by a machining process. By contrast, this would not be possible with the diffuser 13 or only with great effort.
  • the hole 7 can also extend at an acute angle to the surface 14 of the component 1.
  • FIGS. 4, 5 and 6 show removal steps of the method according to the invention.
  • energy beams 22 having different pulse lengths are used during the process.
  • the energy beam may be an electron beam, laser beam or high pressure water jet. In the following, only an example of the use of a laser will be discussed.
  • shorter pulse lengths are preferably less than or equal to 500ns, in particular less than 100ns used. Pulse lengths in the range of picoseconds or femtoseconds can also be used. When using shorter pulse lengths of less than or equal to 500 ns (nanoseconds), in particular less than or equal to 100 ns, almost no melting occurs in the region of the interface. Thus, no cracks are formed on the inner surface 12 of the diffuser 13 and exact, planar geometries can be generated. The shorter pulse lengths are all shorter in time than the longer pulse lengths.
  • a first portion of the hole 7 in the component 1 is generated. This may, for example, at least partially or completely correspond to the diffuser 13 ( Fig. 6 . 9 ).
  • the diffuser 13 is mostly arranged in a ceramic layer.
  • a shorter pulse length is used to produce the entire diffuser 13.
  • a constant shorter pulse length is used to produce the diffuser 13.
  • the time for producing the diffuser 13 in the method corresponds, for example, to the first removal steps.
  • a laser 19, 19 ', 19 "with its laser beams 22, 22', 22" is preferably moved back and forth in a lateral plane 43, as is shown in FIG FIG. 5 is shown.
  • the diffuser 13 is traversed meandering along a traverse line 9, for example, to remove material in a plane here (step Fig. 4 to Fig. 6 ).
  • a metallic interlayer 16 'or substrate 4 when a metallic interlayer 16 'or substrate 4 is reached, longer laser pulse lengths (tpuls>) greater than 0.4ms, more preferably greater than 0.5ms, and most preferably up to 10ms, are used to fill the remaining lower portion 10 of the hole generate as he in FIG. 1 or 2 is shown.
  • the diffuser 13 is located at least for the most part in a ceramic layer 16 ", but may also extend into a metallic intermediate layer 16 'and / or into the metallic substrate 4, so that even metallic material can also be partially removed with shorter pulse lengths ,
  • pulse lengths are used to generate the lower region 10 of the hole 7, substantially or completely longer, in particular temporally constant.
  • the time for producing the lower region 10 corresponds in the process to the last removal steps.
  • the at least one laser 19, 19 ', 19 "with its laser beams 22, 22', 22", for example, not in the plane 43 moves back and forth. Since the energy due to the heat conduction in the material of the layer 16 or the substrate 4 is distributed and new energy is added by each laser pulse material is removed by material evaporation over a large area material in such a way that the surface in which the material is removed, about the Cross-sectional area A of the produced through-hole 7, 10 corresponds. This cross-sectional area can be adjusted via the energy output and pulse duration as well as the guidance (position of the focus at a horizontal distance from the surface 14) of the laser beam 22.
  • the laser pulse lengths of a single laser 19 or a plurality of lasers 19 ', 19 can, for example, be continuous be changed, for example, from the beginning to the end of the procedure.
  • the process begins with the removal of material at the outer surface 14 and ends upon reaching the desired depth of the hole 7.
  • the material is layered in planes 11 (FIG. Fig. 6 ) and progressively removed in an axial direction 15.
  • the pulse lengths can also be changed discontinuously. Preferably, only two different pulse lengths are used during the process. In the case of the shorter pulse lengths (for example ⁇ 500 ms), the at least one laser 19, 19 'is moved and, for example, 0.4 ms for the longer pulse lengths, because the energy input anyway occurs over a larger area than the cross section of the energy input Laser beam corresponds.
  • the shorter pulse lengths for example ⁇ 500 ms
  • the at least one laser 19, 19 ' is moved and, for example, 0.4 ms for the longer pulse lengths, because the energy input anyway occurs over a larger area than the cross section of the energy input Laser beam corresponds.
  • the remaining part of the surface may be covered with a powder layer, in particular with a mask according to the EP 1 510 593 A1 to be protected.
  • the powders (BN, ZrO 2 ) and the particle size distribution according to EP 1 510 593 A1 are part of this disclosure for the use of masking. This is particularly useful when a metallic substrate or a substrate is processed with a metallic layer that does not yet have a ceramic layer.
  • the output power of the laser 19, 19 ', 19 " When using pulses with a specific pulse length, the output power of the laser 19, 19 ', 19 ", for example, constant. For the longer pulse lengths, an output power of the laser 19, 19 ', 19 “of several 100 watts, in particular 500 watts is used. For the shorter laser pulse lengths, an output power of the laser 19, 19 'of less than 300 watts is used. For example, a laser 19, 19 'having a wavelength of 532 nm is used only to produce shorter laser pulses.
  • the longer laser pulse lengths in particular a laser pulse duration of> 0.4 ms, in particular up to 1.2 ms, and an energy (Joule) of the laser pulse from 6 J to 21 J, in particular> 10 J are used, with a power (kilowatts) of 10 kW to 50 kW, in particular 20 kW, being preferred
  • the shorter pulse lengths have an energy in the single-digit or two-digit millijoule range (mJ), preferably in the single-digit millijoule range, wherein the power used is usually in the single-digit kilowatt range.
  • a first laser 19 'can generate laser pulse lengths less than or equal to 500 ns, in particular less than 100 ns
  • a second laser generate 19 n laser pulse lengths greater than 100 ns, in particular greater than 500 ns.
  • the first laser 19 ' is first inserted.
  • the second laser 19 is then used or vice versa.
  • a laser 19 In the production of the through hole 7, only one laser 19 can be used.
  • a laser 19 is used, which for example has a wavelength of 1064 nm and which can generate both the longer and the shorter laser pulses.
  • FIG. 7 shows a cross section through a hole. 7
  • rough machining with laser pulse lengths greater than 100 ns, in particular greater than 500 ns and fine machining with laser pulse lengths less than or equal to 500 ns, in particular less than or equal to 100 ns, are performed first.
  • the lower region 10 of the hole 7 is completed and only a portion of the diffuser 13 is largely processed (first ablation steps) with a laser 19 having laser pulse lengths greater than 100 ns, in particular greater than 500 ns.
  • a thin outer edge region 28 in the region of the diffuser 13 must be processed by means of a laser 19, 19 ', 19 ", which can produce laser pulse lengths less than or equal to 500 ns, in particular less than 100 ns removal steps).
  • the laser beam 22, 22 ', 22 " is preferably moved.
  • FIG. 8 shows a plan view of a hole 7 of the component 1.
  • the various lasers 19, 19 ', 19 "and the different laser pulse lengths of these lasers 19, 19', 19" are used in different Abtragungs Colouren.
  • a rough machining with large laser pulse lengths > 100ns, especially> 500ns.
  • This inner region is identified by the reference numeral 25. Only an outer edge region 28 of the hole 7 or the diffuser 13 must be removed in order to reach the final dimensions of the hole 7. In this case, the laser beam 22, 22 'in the plane of the surface 14 is moved.
  • the hole 7 or the diffuser 13 is completed.
  • the contour 29 of the diffuser 13 is thus produced with shorter laser pulses, whereby the outer edge region 28 is removed finer and more precisely and is therefore free of cracks and fusions.
  • the material is removed, for example, in a plane 11 (perpendicular to the axial direction 15).
  • the cross section A of the region to be removed can be constantly reduced in the production of the hole 7 into the depth of the substrate 4 except for A ', so that the outer edge region 28 opposes FIG. 7 is reduced ( Fig. 9 ). This is done by adjusting energy and pulse duration.
  • the methods can be applied to newly manufactured components 1, which were poured for the first time.
  • the method can be used in reprocessed components.
  • 1 Refurbishment means that components 1 that were in use, for example, are separated from layers and re-coated after repairs such as filling of cracks and removal of oxidation and corrosion products.
  • impurities or coating material that has been applied again ( Fig. 11 ) and got into the holes 7, with a laser 19, 19 'away.
  • special formations (diffuser) in the layer area are newly produced after the re-coating during work-up.
  • FIG. 11 shows the reworking (refurbishment) of a hole 7, wherein in a coating of the substrate 4 with the material of the layer 16 material has penetrated into the already existing hole 7.
  • the areas lying deeper in the area 10 of the hole 7 can be processed with a laser having laser pulse lengths greater than 100 ns, in particular greater than 500 ns. These areas are labeled 25.
  • the more critical edge region 28, for example in the region of the diffuser 13, on which contaminants are present, is with a laser 19 'processed, the laser pulse lengths less than or equal to 500 ns, in particular less than 100 ns.
  • the FIGS. 12 to 15 show exemplary devices 40, in particular to perform the inventive method.
  • the devices 40 consist of at least one optical system 35, 35 ', in particular at least one lens 35, 35', which directs at least one laser beam 22, 22 ', 22 "onto the substrate 4 in order to produce the hole 7.
  • the laser beams 22, 22', 22" can be guided via mirrors 31, 33 to the optics 35, 35 '.
  • the mirrors 31, 33 are displaceable or rotatable such that in each case only one laser 19 ', 19 "can transmit its laser beams 22' or 22" to the component 1 via the mirrors 31 or 33 and the lens 35.
  • the component 1, 120, 130, 155 or the optics 35, 35 'or the mirrors 31, 33 are movable in a direction 43, so that the laser beam 22, 22', for example, according to FIG. 5 is moved over the component 1.
  • the lasers 19, 19 ', 19 may have wavelengths of either 1064nm or 532nm.
  • the lasers 19', 19" may have different wavelengths: 1064nm and 532nm.
  • the beam of the laser 19 ', 19 can be coupled with such laser pulse lengths via the optics 35 to the component 1, which are necessary to produce, for example, the outer edge region 28 or the inner region 25.
  • FIG. 12 shows two lasers 19 ', 19 ", two mirrors 31, 33 and an optic in the form of a lens 35th
  • the first laser 19 ' is coupled with the shorter laser pulse lengths.
  • the first laser 19 ' is decoupled by movement of the mirror 31, and the second laser 19 "with its longer laser pulse lengths is coupled in by movement of the mirror 33.
  • FIG. 13 shows a similar device as in FIG. 12
  • two optics here for example two lenses 35, 35 'available, which allow the laser beams 22', 22 "of the laser 19 ', 19" on different areas 15, 28 of the component 1, 120, 130, 155 are steered simultaneously.
  • the laser beam 22 ' may be directed to a first location of this envelope-shaped region 28 and to a second location diametrically opposite the first location such that the processing time is significantly shortened.
  • FIG. 14 are no lenses in the form of lenses, but only mirrors 31, 33, which direct the laser beams 22 ', 22 "on the component 1 and are used by movement that at least laser beam 22', 22" in a plane over the component is moved.
  • the lasers 19 ', 19 " can also be used simultaneously here.
  • the lasers 19 ', 19 "could be used sequentially or simultaneously with the same or different laser pulse lengths.
  • FIG. 15 shows a device 40 with only one laser 19, in which the laser beam 22 is directed, for example via a mirror 31 to a component 1.
  • the laser beam 22 is moved, for example, by movement of the mirror 31 over the surface of the component 1. This is necessary when using shorter laser pulse lengths. With the longer laser pulse lengths, the laser beam 22 does not necessarily have to be moved so that the mirror 31 is not moved, as in the process stage.
  • a lens or two lenses 35, 35 ' are used to direct the laser beam simultaneously to different areas 25, 28 of the component 1, 120, 130, 155.
  • FIG. 16 shows by way of example a gas turbine 100 in a longitudinal partial section.
  • the gas turbine 100 has inside a rotatably mounted about a rotation axis 102 rotor 103 with a shaft 101, which is also referred to as a turbine runner.
  • a compressor 105 for example, a toroidal combustion chamber 110, in particular annular combustion chamber, with a plurality of coaxially arranged burners 107, a turbine 108 and the exhaust housing 109th
  • the annular combustion chamber 110 communicates with an annular annular hot gas channel 111, for example.
  • Each turbine stage 112 is formed, for example, from two blade rings. As seen in the direction of flow of a working medium 113, in the hot gas channel 111 of a row of guide vanes 115, a series 125 formed of rotor blades 120 follows.
  • the guide vanes 130 are fastened to an inner housing 138 of a stator 143, whereas the moving blades 120 of a row 125 are attached to the rotor 103 by means of a turbine disk 133, for example. Coupled to the rotor 103 is a generator or work machine (not shown).
  • air 105 is sucked in and compressed by the compressor 105 through the intake housing 104.
  • the compressed air provided at the turbine-side end of the compressor 105 is supplied to the burners 107 where it is mixed with a fuel.
  • the mixture is then burned to form the working fluid 113 in the combustion chamber 110.
  • the working medium 113 flows along the hot gas channel 111 past the Guide vanes 130 and the blades 120.
  • the working fluid 113 relaxes momentum transfer, so that the blades 120 drive the rotor 103 and this the coupled to him machine.
  • the components exposed to the hot working medium 113 are subject to thermal loads during operation of the gas turbine 100.
  • the guide vanes 130 and rotor blades 120 of the first turbine stage 112, viewed in the flow direction of the working medium 113, are subjected to the greatest thermal stress in addition to the heat shield elements lining the annular combustion chamber 110. To withstand the prevailing temperatures, they can be cooled by means of a coolant.
  • substrates of the components can have a directional structure, ie they are monocrystalline (SX structure) or have only longitudinal grains (DS structure).
  • SX structure monocrystalline
  • DS structure only longitudinal grains
  • Such superalloys are for example from EP 1 204 776 B1 .
  • EP 1 306 454 .
  • the vane 130 has a guide vane foot (not shown here) facing the inner housing 138 of the turbine 108 and a vane head opposite the vane foot.
  • the vane head faces the rotor 103 and fixed to a mounting ring 140 of the stator 143.
  • FIG. 17 shows in perspective view a blade 120 or vane 130 a Turbomachine, which extends along a longitudinal axis 121.
  • the turbomachine may be a gas turbine of an aircraft or a power plant for power generation, a steam turbine or a compressor.
  • the blade 120, 130 has along the longitudinal axis 121 consecutively a fastening region 400, a blade platform 403 adjacent thereto and an airfoil 406 and a blade tip 415.
  • the blade 130 may have at its blade tip 415 another platform (not shown).
  • a blade root 183 is formed, which serves for attachment of the blades 120, 130 to a shaft or a disc (not shown).
  • the blade root 183 is designed, for example, as a hammer head. Other designs as Christmas tree or Schwalbenschwanzfuß are possible.
  • the blade 120, 130 has a leading edge 409 and a trailing edge 412 for a medium flowing past the airfoil 406.
  • blades 120, 130 for example, solid metallic materials, in particular superalloys, are used in all regions 400, 403, 406 of the blade 120, 130.
  • Such superalloys are for example from EP 1 204 776 B1 .
  • EP 1 306 454 .
  • the blade 120, 130 can be made by a casting process, also by directional solidification, by a forging process, by a milling process or combinations thereof.
  • the blades 120, 130 may have coatings against corrosion or oxidation, e.g. M is at least one element of the group iron (Fe), cobalt (Co), nickel (Ni), X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element of the rare ones Earth, or hafnium (Hf)).
  • M is at least one element of the group iron (Fe), cobalt (Co), nickel (Ni)
  • X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element of the rare ones Earth, or hafnium (Hf)).
  • Such alloys are known from the EP 0 486 489 B1 . EP 0 786 017 B1 . EP 0 412 397 B1 or EP 1 306 454 A1 which are to be part of this disclosure with regard to the chemical composition of the alloy.
  • the density is preferably 95% of the theoretical density.
  • thermal barrier coating which is preferably the outermost layer, and consists for example of ZrO 2 , Y 2 O 3 -ZrO 2 , ie it is not, partially or completely stabilized by yttria and / or calcium oxide and / or magnesium oxide.
  • the thermal barrier coating covers the entire MCrAlX layer.
  • suitable coating processes such as electron beam evaporation (EB-PVD)
  • stalk-shaped grains are produced in the thermal barrier coating.
  • Other coating methods are conceivable, for example atmospheric plasma spraying (APS), LPPS, VPS or CVD.
  • the thermal barrier coating may have porous, micro- or macro-cracked grains for better thermal shock resistance.
  • the thermal barrier coating is therefore preferably more porous than the MCrAlX layer.
  • the blade 120, 130 may be hollow or solid. If the blade 120, 130 is to be cooled, it is hollow and may still have film cooling holes 418 (indicated by dashed lines), which are produced by the method according to the invention.
  • FIG. 18 FIG. 1 shows a combustion chamber 110 of the gas turbine 100.
  • the combustion chamber 110 is designed, for example, as a so-called annular combustion chamber, in which a multiplicity of burners 107 arranged around a rotation axis 102 in the circumferential direction open into a common combustion chamber space 154, create the flames 156.
  • the combustion chamber 110 is configured in its entirety as an annular structure, which is positioned around the axis of rotation 102 around.
  • the combustion chamber 110 is designed for a comparatively high temperature of the working medium M of about 1000 ° C to 1600 ° C.
  • the combustion chamber wall 153 is provided on its side facing the working medium M side with an inner lining formed from heat shield elements 155.
  • the heat shield elements 155 Due to the high temperatures inside the combustion chamber 110 may also be provided for the heat shield elements 155 and for their holding elements, a cooling system.
  • the heat shield elements 155 are then hollow, for example, and may still have cooling holes (not shown) which open into the combustion chamber space 154 and are produced by the method according to the invention.
  • Each heat shield element 155 made of an alloy is equipped on the working medium side with a particularly heat-resistant protective layer (MCrAlX layer and / or ceramic coating) or is made of high-temperature-resistant material (solid ceramic blocks).
  • M is at least one element of the group iron (Fe), cobalt (Co), nickel (Ni), X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element of the rare earths, or hafnium (Hf).
  • MCrAlX means: M is at least one element of the group iron (Fe), cobalt (Co), nickel (Ni), X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element of the rare earths, or hafnium (Hf).
  • Such alloys are known from the EP 0 486 489 B1 .
  • a ceramic thermal barrier coating may be present and consists for example of ZrO 2 , Y 2 O 3 -ZrO 2 , ie it is not, partially or completely stabilized by yttria and / or calcium oxide and / or magnesium oxide.
  • suitable coating processes such as electron beam evaporation (EB-PVD)
  • stalk-shaped grains are produced in the thermal barrier coating.
  • APS atmospheric plasma spraying
  • LPPS LPPS
  • VPS vacuum plasma spraying
  • CVD chemical vaporation
  • the thermal barrier coating may have porous, micro- or macro-cracked grains for better thermal shock resistance.
  • Refurbishment means that turbine blades 120, 130, heat shield elements 155 may need to be deprotected (e.g., by sandblasting) after use. This is followed by removal of the corrosion and / or oxidation layers or products. Optionally, cracks in the turbine blade 120, 130 or the heat shield element 155 are also repaired. This is followed by a re-coating of the turbine blades 120, 130, heat shield elements 155 and a renewed use of the turbine blades 120, 130 or the heat shield elements 155.

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
EP14003868.8A 2006-01-24 2007-01-05 Procédé de fabrication d'un trou Not-in-force EP2853338B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14003868.8A EP2853338B1 (fr) 2006-01-24 2007-01-05 Procédé de fabrication d'un trou

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06001467A EP1810774A1 (fr) 2006-01-24 2006-01-24 Procédé de fabrication d'un trou
EP14003868.8A EP2853338B1 (fr) 2006-01-24 2007-01-05 Procédé de fabrication d'un trou
EP07712002A EP1976660A1 (fr) 2006-01-24 2007-01-05 Procédé de création d'un trou

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP07712002A Division EP1976660A1 (fr) 2006-01-24 2007-01-05 Procédé de création d'un trou

Publications (2)

Publication Number Publication Date
EP2853338A1 true EP2853338A1 (fr) 2015-04-01
EP2853338B1 EP2853338B1 (fr) 2018-02-28

Family

ID=36579998

Family Applications (4)

Application Number Title Priority Date Filing Date
EP06001467A Withdrawn EP1810774A1 (fr) 2004-09-02 2006-01-24 Procédé de fabrication d'un trou
EP07712002A Ceased EP1976660A1 (fr) 2006-01-24 2007-01-05 Procédé de création d'un trou
EP13000477.3A Withdrawn EP2589457A1 (fr) 2006-01-24 2007-01-05 Procédé de fabrication d'un trou
EP14003868.8A Not-in-force EP2853338B1 (fr) 2006-01-24 2007-01-05 Procédé de fabrication d'un trou

Family Applications Before (3)

Application Number Title Priority Date Filing Date
EP06001467A Withdrawn EP1810774A1 (fr) 2004-09-02 2006-01-24 Procédé de fabrication d'un trou
EP07712002A Ceased EP1976660A1 (fr) 2006-01-24 2007-01-05 Procédé de création d'un trou
EP13000477.3A Withdrawn EP2589457A1 (fr) 2006-01-24 2007-01-05 Procédé de fabrication d'un trou

Country Status (6)

Country Link
EP (4) EP1810774A1 (fr)
JP (1) JP2009523616A (fr)
CN (1) CN101374629A (fr)
CA (1) CA2639932A1 (fr)
RU (1) RU2397852C2 (fr)
WO (1) WO2007085516A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016220251A1 (de) 2016-10-17 2018-04-19 Siemens Aktiengesellschaft Dreistufiger Prozess zur Kühlluftbohrerzeugung mittels Nanosekunden- und Millisekundenlaser und Bauteil
US11117221B2 (en) 2016-06-22 2021-09-14 Mitsubishi Heavy Industries, Ltd. Laser machining device and laser machining method

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8890025B2 (en) 2009-09-24 2014-11-18 Esi-Pyrophotonics Lasers Inc. Method and apparatus to scribe thin film layers of cadmium telluride solar cells
EP2470325A4 (fr) * 2009-09-24 2017-07-05 Electro Scientific Industries, Inc. Procédé et appareil permettant de graver une ligne dans un matériau en film mince à l'aide d'une rafale d'impulsions laser ayant une forme d'impulsion avantageuse
US8857055B2 (en) * 2010-01-29 2014-10-14 General Electric Company Process and system for forming shaped air holes
US8905713B2 (en) * 2010-05-28 2014-12-09 General Electric Company Articles which include chevron film cooling holes, and related processes
FR2970666B1 (fr) * 2011-01-24 2013-01-18 Snecma Procede de perforation d'au moins une paroi d'une chambre de combustion
EP2768627A4 (fr) 2011-10-21 2016-01-13 American Laser Entpr Llc Système configuré pour éliminer un revêtement d'un substrat à l'aide d'un rayonnement électromagnétique
KR20140112498A (ko) * 2011-12-07 2014-09-23 제너럴 아토믹스 레이저 기계가공에의 이용을 위한 방법 및 시스템
EP2604377B1 (fr) * 2011-12-15 2015-07-15 Siemens Aktiengesellschaft Procédé de traitement laser d'une pièce doté d'une couche en céramique
RU2492036C1 (ru) * 2011-12-22 2013-09-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Владимирский государственный университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) Способ пробивки микроотверстий лазерным импульсным излучением
JP5884614B2 (ja) * 2012-04-11 2016-03-15 セイコーエプソン株式会社 セラミックス加工方法
JP5908009B2 (ja) * 2013-08-20 2016-04-26 三菱重工業株式会社 レーザ加工方法及びレーザ加工装置
US20150160644A1 (en) * 2013-12-05 2015-06-11 General Electric Company Repair method, system for automatic locating and clearing and tool for automated locating and modifying
CN104923926B (zh) * 2014-03-19 2016-10-26 温州大学 一种发泡辅助的金属片激光精密打孔装置
DE102014207789A1 (de) * 2014-04-25 2015-10-29 Siemens Aktiengesellschaft Verfahren zur Herstellung einer Wärmedämmschicht an einem Bauteil
CN103990910B (zh) * 2014-05-20 2015-08-05 西安交通大学 一种带热障涂层涡轮叶片气膜冷却孔的制备方法
US20160279737A1 (en) 2015-03-26 2016-09-29 Pratt & Whitney Canada Corp. Laser drilling through multi-layer components
RU2647387C2 (ru) * 2016-06-24 2018-03-15 Федеральное государственное унитарное предприятие "Всероссийский научно-исследовательский институт автоматики им. Н.Л. Духова" (ФГУП "ВНИИА") Способ лазерной пробивки сквозного отверстия в неметаллической пластине
CN109519969B (zh) * 2017-09-19 2020-08-04 中国航发商用航空发动机有限责任公司 一种冷却孔、发动机燃烧室及冷却孔加工方法
KR102130060B1 (ko) * 2017-10-11 2020-07-03 에이피에스홀딩스 주식회사 레이저 가공 방법
US11440139B2 (en) * 2018-05-03 2022-09-13 Raytheon Technologies Corporation Liquid enhanced laser stripping
RU2688036C1 (ru) * 2018-10-25 2019-05-17 Федеральное Государственное Унитарное Предприятие "Всероссийский Научно-Исследовательский Институт Автоматики Им.Н.Л.Духова" (Фгуп "Внииа") Способ лазерной пробивки сквозного отверстия в неметаллической пластине
CN113874157A (zh) * 2019-05-08 2021-12-31 Ws光学技术有限责任公司 用于工件的射束加工的方法
JP2021146346A (ja) * 2020-03-16 2021-09-27 三菱重工業株式会社 板材の製造方法及び板材

Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073687A (en) 1989-06-22 1991-12-17 Canon Kabushiki Kaisha Method and apparatus for working print board by laser
EP0486489B1 (fr) 1989-08-10 1994-11-02 Siemens Aktiengesellschaft Revetement anticorrosion resistant aux temperatures elevees, notamment pour elements de turbines a gaz
EP0412397B1 (fr) 1989-08-10 1998-03-25 Siemens Aktiengesellschaft Revêtement protecteur contenant du rhénium possédant une résistance plus grande à la corrosion et l'oxydation
EP0892090A1 (fr) 1997-02-24 1999-01-20 Sulzer Innotec Ag Procédé de fabrication de structure smonocristallines
EP0786017B1 (fr) 1994-10-14 1999-03-24 Siemens Aktiengesellschaft Couche de protection de pieces contre la corrosion, l'oxydation et les contraintes thermiques excessives, et son procede de production
US5939010A (en) 1997-09-24 1999-08-17 Mitsubishi Denki Kabushiki Kaisha Laser machining method
WO1999067435A1 (fr) 1998-06-23 1999-12-29 Siemens Aktiengesellschaft Alliage a solidification directionnelle a resistance transversale a la rupture amelioree
US6024792A (en) 1997-02-24 2000-02-15 Sulzer Innotec Ag Method for producing monocrystalline structures
US6054673A (en) 1997-09-17 2000-04-25 General Electric Company Method and apparatus for laser drilling
WO2000044949A1 (fr) 1999-01-28 2000-08-03 Siemens Aktiengesellschaft Superalliage a base de nickel presentant une bonne usinabilite
US6172331B1 (en) 1997-09-17 2001-01-09 General Electric Company Method and apparatus for laser drilling
DE10063309A1 (de) 2000-12-19 2002-07-11 Mtu Aero Engines Gmbh Verfahren zum Herstellen einer Kühlluftöffnung in einem metallischen Bauteil einer Gasturbine
US6479788B1 (en) 1997-11-10 2002-11-12 Hitachi Via Mechanics, Ltd. Method and apparatus of making a hole in a printed circuit board
EP1306454A1 (fr) 2001-10-24 2003-05-02 Siemens Aktiengesellschaft Revêtement protecteur contenant du rhénium pour la protection d'un élément contre l'oxydation et la corrosion aux températures élevées
EP1319729A1 (fr) 2001-12-13 2003-06-18 Siemens Aktiengesellschaft Pièce résistante à des températures élevées réalisé en superalliage polycristallin ou monocristallin à base de nickel
EP1204776B1 (fr) 1999-07-29 2004-06-02 Siemens Aktiengesellschaft Piece resistant a des temperatures elevees et son procede de production
EP1437194A2 (fr) * 2003-01-10 2004-07-14 General Electric Company Procédé pour l'enlèvement d'un dépôt de revêtement dans un trou de surface de composant
EP1510593A1 (fr) 2003-08-28 2005-03-02 Siemens Aktiengesellschaft Procédé pour revêtir un objet, objet et poudre
EP1522373A1 (fr) * 2003-10-06 2005-04-13 Siemens Aktiengesellschaft Procédé de fabrication d'un trou
WO2005044508A1 (fr) * 2003-10-06 2005-05-19 Siemens Aktiengesellschaft Procede pour produire un trou et dispositif

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2192341C2 (ru) * 2000-07-03 2002-11-10 Басиев Тасолтан Тазретович Способ прошивки прецизионных отверстий лазерным излучением
US6420677B1 (en) * 2000-12-20 2002-07-16 Chromalloy Gas Turbine Corporation Laser machining cooling holes in gas turbine components
RU2193957C2 (ru) * 2001-01-12 2002-12-10 Государственное научно-производственное предприятие "Исток" Способ изготовления поглотителя энергии в свч-приборах
EP1681128A1 (fr) * 2005-01-14 2006-07-19 Siemens Aktiengesellschaft Méthode et dispositif pour fabriquer un trou

Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5073687A (en) 1989-06-22 1991-12-17 Canon Kabushiki Kaisha Method and apparatus for working print board by laser
EP0486489B1 (fr) 1989-08-10 1994-11-02 Siemens Aktiengesellschaft Revetement anticorrosion resistant aux temperatures elevees, notamment pour elements de turbines a gaz
EP0412397B1 (fr) 1989-08-10 1998-03-25 Siemens Aktiengesellschaft Revêtement protecteur contenant du rhénium possédant une résistance plus grande à la corrosion et l'oxydation
EP0786017B1 (fr) 1994-10-14 1999-03-24 Siemens Aktiengesellschaft Couche de protection de pieces contre la corrosion, l'oxydation et les contraintes thermiques excessives, et son procede de production
EP0892090A1 (fr) 1997-02-24 1999-01-20 Sulzer Innotec Ag Procédé de fabrication de structure smonocristallines
US6024792A (en) 1997-02-24 2000-02-15 Sulzer Innotec Ag Method for producing monocrystalline structures
US6054673A (en) 1997-09-17 2000-04-25 General Electric Company Method and apparatus for laser drilling
US6172331B1 (en) 1997-09-17 2001-01-09 General Electric Company Method and apparatus for laser drilling
US5939010A (en) 1997-09-24 1999-08-17 Mitsubishi Denki Kabushiki Kaisha Laser machining method
US6479788B1 (en) 1997-11-10 2002-11-12 Hitachi Via Mechanics, Ltd. Method and apparatus of making a hole in a printed circuit board
WO1999067435A1 (fr) 1998-06-23 1999-12-29 Siemens Aktiengesellschaft Alliage a solidification directionnelle a resistance transversale a la rupture amelioree
WO2000044949A1 (fr) 1999-01-28 2000-08-03 Siemens Aktiengesellschaft Superalliage a base de nickel presentant une bonne usinabilite
EP1204776B1 (fr) 1999-07-29 2004-06-02 Siemens Aktiengesellschaft Piece resistant a des temperatures elevees et son procede de production
DE10063309A1 (de) 2000-12-19 2002-07-11 Mtu Aero Engines Gmbh Verfahren zum Herstellen einer Kühlluftöffnung in einem metallischen Bauteil einer Gasturbine
EP1306454A1 (fr) 2001-10-24 2003-05-02 Siemens Aktiengesellschaft Revêtement protecteur contenant du rhénium pour la protection d'un élément contre l'oxydation et la corrosion aux températures élevées
EP1319729A1 (fr) 2001-12-13 2003-06-18 Siemens Aktiengesellschaft Pièce résistante à des températures élevées réalisé en superalliage polycristallin ou monocristallin à base de nickel
EP1437194A2 (fr) * 2003-01-10 2004-07-14 General Electric Company Procédé pour l'enlèvement d'un dépôt de revêtement dans un trou de surface de composant
EP1510593A1 (fr) 2003-08-28 2005-03-02 Siemens Aktiengesellschaft Procédé pour revêtir un objet, objet et poudre
EP1522373A1 (fr) * 2003-10-06 2005-04-13 Siemens Aktiengesellschaft Procédé de fabrication d'un trou
WO2005044508A1 (fr) * 2003-10-06 2005-05-19 Siemens Aktiengesellschaft Procede pour produire un trou et dispositif

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11117221B2 (en) 2016-06-22 2021-09-14 Mitsubishi Heavy Industries, Ltd. Laser machining device and laser machining method
DE102016220251A1 (de) 2016-10-17 2018-04-19 Siemens Aktiengesellschaft Dreistufiger Prozess zur Kühlluftbohrerzeugung mittels Nanosekunden- und Millisekundenlaser und Bauteil
WO2018072971A1 (fr) 2016-10-17 2018-04-26 Siemens Aktiengesellschaft Processus à trois niveaux de production d'un trou à air de refroidissement au moyen d'un laser nanoseconde et milliseconde et élément

Also Published As

Publication number Publication date
RU2397852C2 (ru) 2010-08-27
EP1810774A1 (fr) 2007-07-25
EP2589457A1 (fr) 2013-05-08
EP2853338B1 (fr) 2018-02-28
EP1976660A1 (fr) 2008-10-08
WO2007085516A1 (fr) 2007-08-02
JP2009523616A (ja) 2009-06-25
CA2639932A1 (fr) 2007-08-02
RU2008134515A (ru) 2010-02-27
CN101374629A (zh) 2009-02-25

Similar Documents

Publication Publication Date Title
EP2853338B1 (fr) Procédé de fabrication d'un trou
EP2295195B1 (fr) Méthode pour fabriquer un trou
EP1973688B1 (fr) Procede de realisation d'un trou
EP1670612B1 (fr) Procede pour produire un trou
EP1712739A1 (fr) Elément avec trou de refroidissement par film
EP1941965A1 (fr) Réouverture de trous à l'aide de la thermographie et d'un composant
EP3500395B1 (fr) Procédé en 3 étapes de fabrication d'orifices de refroidissement par air utlisant un laser dans le domaine des nanosecondes et des millisecondes et pièce obtenue
EP2230041B1 (fr) Procédé de fabrication d'un trou
EP1816316A1 (fr) Procédé de réparation de composants
EP1967313A1 (fr) Composant et une brasure
WO2009100794A1 (fr) Procédé et dispositif pour fondre des surfaces incurvées
EP2487006A1 (fr) Traitement au laser multiple sous des angles différents
EP1797985A1 (fr) Procédé et dispositif de soudage
EP1674193A1 (fr) Procédé de fabrication d'un trou
EP1930115A1 (fr) Fil, son utilisation et procédé de soudage
EP3047935A1 (fr) Procede de fabrication d'un trou

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20141118

AC Divisional application: reference to earlier application

Ref document number: 1976660

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

R17P Request for examination filed (corrected)

Effective date: 20150305

RBV Designated contracting states (corrected)

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

17Q First examination report despatched

Effective date: 20150730

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: CHROMALLOY GAS TURBINE LLC

Owner name: SIEMENS AKTIENGESELLSCHAFT

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20170901

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AC Divisional application: reference to earlier application

Ref document number: 1976660

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 973593

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180315

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502007016087

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: SIEMENS SCHWEIZ AG, CH

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180228

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180528

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180529

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502007016087

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20181129

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20190319

Year of fee payment: 13

Ref country code: FR

Payment date: 20190124

Year of fee payment: 13

Ref country code: IT

Payment date: 20190130

Year of fee payment: 13

Ref country code: GB

Payment date: 20190117

Year of fee payment: 13

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190105

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 20190402

Year of fee payment: 13

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20190131

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190105

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 973593

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180228

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20190105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180628

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 502007016087

Country of ref document: DE

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20200105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200801

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200105

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200131

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200131

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20200105

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20070105